[INFO] cloning repository https://github.com/FishingHacks/sfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FishingHacks/sfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFishingHacks%2Fsfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFishingHacks%2Fsfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5e474156779a0d62f48bd07f0412eed9ba5f83e
[INFO] checking FishingHacks/sfs/d5e474156779a0d62f48bd07f0412eed9ba5f83e against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFishingHacks%2Fsfs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FishingHacks/sfs on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FishingHacks/sfs
[INFO] finished tweaking git repo https://github.com/FishingHacks/sfs
[INFO] tweaked toml for git repo https://github.com/FishingHacks/sfs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FishingHacks/sfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bed1370838b109977f695ffc1fd60f641dd8ef45f689d3eac8936bf3758f8c4
[INFO] running `Command { std: "docker" "start" "-a" "0bed1370838b109977f695ffc1fd60f641dd8ef45f689d3eac8936bf3758f8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bed1370838b109977f695ffc1fd60f641dd8ef45f689d3eac8936bf3758f8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bed1370838b109977f695ffc1fd60f641dd8ef45f689d3eac8936bf3758f8c4", kill_on_drop: false }`
[INFO] [stdout] 0bed1370838b109977f695ffc1fd60f641dd8ef45f689d3eac8936bf3758f8c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2899f5904a6f7f143d24f49ec100afa0c4da995cd85ac92deabf9b5b2aa78938
[INFO] running `Command { std: "docker" "start" "-a" "2899f5904a6f7f143d24f49ec100afa0c4da995cd85ac92deabf9b5b2aa78938", kill_on_drop: false }`
[INFO] [stderr]     Checking sfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::fs::BLOCK_SIZE`
[INFO] [stdout]  --> src/disk.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::fs::BLOCK_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::fs::BLOCK_SIZE`
[INFO] [stdout]  --> src/disk.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::fs::BLOCK_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_empty_fs_to_file` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn write_empty_fs_to_file<P: AsRef<Path>>(num_blocks: u32, name: &str, path: P) -> FileSystem {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_empty_fs_to_file` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn write_empty_fs_to_file<P: AsRef<Path>>(num_blocks: u32, name: &str, path: P) -> FileSystem {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "2899f5904a6f7f143d24f49ec100afa0c4da995cd85ac92deabf9b5b2aa78938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2899f5904a6f7f143d24f49ec100afa0c4da995cd85ac92deabf9b5b2aa78938", kill_on_drop: false }`
[INFO] [stdout] 2899f5904a6f7f143d24f49ec100afa0c4da995cd85ac92deabf9b5b2aa78938